Federal lawmakers from California grilled the American Kidney Fund over its decision to stop providing premium assistance to about 3,700 patients with end-stage renal disease, but AKF says it made it clear the charity could not operate under a recently enacted California bill and believes the state is looking for someone to blame now that about 3,700 patients will lose premium assistance. AKF, which receives funding from the dialysis industry, has been helping ESRD patients for more than 20 years...